<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        .wrapper{
            position: fixed;
            width: 100%;
            height: 100%;
            background-image: url(./texture.png);
            transition: background-color 2s ease-in;
            //background-color: #ddd;
            background-color: #82111f;
        }
    </style>
</head>
<body>
<div class="wrapper"></div>

</body>
</html>